Aviation English
Basic ATC

离开 是什么?

离开 Used by pilots to report they are vacating a specific altitude, either climbing or descending from it.

Source: ICAO Doc 9432, FAA PCG

How is “离开” Used in Practice?

离开三六零飞行高度,下降至二九零,Lufthansa 621。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

离开 是什么?

Used by pilots to report they are vacating a specific altitude, either climbing or descending from it.

Where can I learn this term for free?

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